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-rw-r--r--kernel/arch/arm/vdso/datapage.S15
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/arch/arm/vdso/datapage.S b/kernel/arch/arm/vdso/datapage.S
new file mode 100644
index 000000000..a2e603679
--- /dev/null
+++ b/kernel/arch/arm/vdso/datapage.S
@@ -0,0 +1,15 @@
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+
+ .align 2
+.L_vdso_data_ptr:
+ .long _start - . - VDSO_DATA_SIZE
+
+ENTRY(__get_datapage)
+ .fnstart
+ adr r0, .L_vdso_data_ptr
+ ldr r1, [r0]
+ add r0, r0, r1
+ bx lr
+ .fnend
+ENDPROC(__get_datapage)